GETCO Exam Paper (22-07-2015) Current chopping phenomenon is related to asymmetrical current small inductive current capacitance switching resistance switching asymmetrical current small inductive current capacitance switching resistance switching ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In synchronous motor, V-curve is a graph of Armature current Vs power factor Armature current Vs reactive power Armature current Vs active power Armature current Vs Field current Armature current Vs power factor Armature current Vs reactive power Armature current Vs active power Armature current Vs Field current ANSWER EXPLANATION DOWNLOAD EXAMIANS APP v curve: armature current → field currentInverted V curve: power factor → field current
GETCO Exam Paper (22-07-2015) Which of the following is the most likely reason for large overshoot in a control system? presence of dead time delay high retarding torque high positive correcting torque High gain in a system presence of dead time delay high retarding torque high positive correcting torque High gain in a system ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Two heaters rated at 500 W, 250 V each are conneted in series across a 250 V, 50 Hz mains. The total power drawn from the supply would be _____ watt. 125 500 250 1000 125 500 250 1000 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In G-S method of power flow problem, the number of iterations _____ depends on tolerance remains fixed depends on no of buses depends on voltage control buses depends on tolerance remains fixed depends on no of buses depends on voltage control buses ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following is a reason to decouple AVR and LFC loops when there is a shortage of reactive power? Change in voltage magnitude marginally affects real power angle of the voltage is not considered AVR loop response is slower than LFC loop deference of error is the main reason Change in voltage magnitude marginally affects real power angle of the voltage is not considered AVR loop response is slower than LFC loop deference of error is the main reason ANSWER DOWNLOAD EXAMIANS APP
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